[ 1005.292812][T12070] netdevsim netdevsim261 eni261np1: renamed from eth0
[ 1005.406244][T12139] netdevsim netdevsim534 eni534np1: renamed from eth1
[ 1007.116457][T12559] Could not find device with ifindex 2000 in netnsfd 11
[ 1007.117985][T12559] Could not find netns with fd: 2000
[ 1007.119083][T12559] Cannot link a netdevsim to itself
[ 1007.120410][T12559] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).